[Bug 61642] LVDS doesn't come back after "xrandr --output LVDS1 --off; xrandr --output LVDS1 --auto"

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=61642

--- Comment #1 from Jani Nikula <jani.nikula at intel.com> ---
(In reply to comment #0)
> With an external monitor plugged into my Lenovo x220 I can turn the LVDS
> off with:

Just to confirm, is the external monitor required to reproduce this? (FWIW I
can't reproduce this on an x220T with/without an external monitor.)

> Please let me know if you need any further information, and I'll be
> happy to supply it.

It smells a bit like a kernel issue to me. Please provide a dmesg with
drm.debug=0xe module parameter, preferably running the 3.8 kernel, exhibiting
the xrandr --off, --auto, --mode, --auto sequence.

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